80856900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{29947}}^1$

素因数の和:29970

約数の個数: 72

約数和(自身を含む): 259948640

約数和(自身を除く): 179091740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 108, 135, 150, 180, 225, 270, 300, 450, 540, 675, 900, 1350, 2700, 29947, 59894, 89841, 119788, 149735, 179682, 269523, 299470, 359364, 449205, 539046, 598940, 748675, 808569, 898410, 1078092, 1347615, 1497350, 1617138, 1796820, 2246025, 2695230, 2994700, 3234276, 4042845, 4492050, 5390460, 6738075, 8085690, 8984100, 13476150, 16171380, 20214225, 26952300, 40428450, 80856900]

約数ペア:

[(1, 80856900), (2, 40428450), (3, 26952300), (4, 20214225), (5, 16171380), (6, 13476150), (9, 8984100), (10, 8085690), (12, 6738075), (15, 5390460), (18, 4492050), (20, 4042845), (25, 3234276), (27, 2994700), (30, 2695230), (36, 2246025), (45, 1796820), (50, 1617138), (54, 1497350), (60, 1347615), (75, 1078092), (90, 898410), (100, 808569), (108, 748675), (135, 598940), (150, 539046), (180, 449205), (225, 359364), (270, 299470), (300, 269523), (450, 179682), (540, 149735), (675, 119788), (900, 89841), (1350, 59894), (2700, 29947)]